问题 单项选择题

有人对某地 250例胃癌患者进行流行病学调查,包括人口学资料、饮酒、吸烟、劳动强度、吃变硬或发霉的馒头、膳食中蔬菜和蛋白质的量以及情绪变化等,同时对条.件与上述250例在性别、年龄近似的400名当地的非胃癌患者(或健康人)进行同样项目的调查,以便进行结果比较。在该项科研工作中使用了哪种流行病学研究方法

A.现况研究

B.筛查

C.病例对照研究

D.队列研究

E.流行病学实验研究

答案

参考答案:C

解析:该项研究属于典型的病例对照研究。病例对照研究是选定患有某病和未患该病但具有可比性的人群,分别调查其既往暴露于某个(某些)危险因子的情况及程度,以判断暴露于危险因子与某病有无关联及其关联程度的大小的一种观察性研究方法。

阅读理解

There are many festivals in Argentina(阿根廷) during the year. Therefore, you can enjoy the different interesting festivals when traveling there. First of all, we should talk about the Tango(探戈舞) Festival in Argentina, which is held in the capital of this country — Buenos Aires, from February to March. You ought to know that Argentina is the home of tango, so Argentineans admire this dance very much. Even if you cannot dance perfectly, you should join the people and try to perform this dance.

The next festival in Argentina is Open Polo(马球) Tournament. You should go to Palermo to see this festival in Argentina. This festival is held every year and is the most important polo tournament in Argentina. This kind of sport is considered the most important in Argentina. Attending this festival in Argentina, you will be able to communicate with different people, admire the fascinating competition between the teams of different countries, such as Argentina, England, Australia, as well as the US. This festival in Argentina is usually held between November and December every year. So don’t miss the opportunity if you travel to Argentina at this time.

The other festival in Argentina is the Semana Musical Llao Llao. This is a festival of classical music. The festival was created in 1993 and is held at the Llao Llao Hotel, near Bariloche. The festival is held yearly in October. So if you admire this kind of music, you should travel to Argentina in October. There are also many carnivals in October.

There are also many carnivals in Argentina in summer. Of course, it’s impossible to put everything about festivals in Argentina into just one article. We hope that you have found this article interesting and eye-catching.

小题1:What would be the best title for the passage?

A.Travel to Argentina

B.Entertainments in Argentina

C.Festivals in Argentina

D.A brief introduction to Argentina小题2:From the passage, we know that the Tango Festival_______.

A.welcomes everyone to take part in

B.is held in summer

C.is organized by the government

D.holds parties for different dances小题3:Which of the following is a sport festival?

A.The Semana Musical Llao Llao.

B.Open Polo Tournament.

C.The Tango Festival.

D.Argentina Carnivals.小题4:If Tom wants to enjoy a classical music event in Argentina, he should visit _____ .

A.Buenos Aires in spring

B.Palermo in April

C.Bariloche in October

D.Palermo in winter小题5:Which festival is not mentioned in the massage?

A.Tango Festival

B.Open Polo Tournament

C.Argentina Carnivals

D.Argentina Spring Festival

问答题 简答题